DiGiCo S21 Digital Mixing Console

The DiGiCo S21 is a professional digital mixing console designed for live sound engineers, touring productions, theatres, houses of worship and event production companies. Combining a compact control surface with advanced digital audio processing, the DiGiCo S21 offers flexible mixing capabilities for demanding professional audio applications.

With its dual multitouch displays, motorised faders and configurable channel layout, the DiGiCo S21 gives sound engineers direct control over essential mixing functions. Its design helps operators manage multiple input sources, shape audio, control monitor mixes and create consistent results across different performances.

Professional Digital Mixing Performance

The DiGiCo S21 is designed to provide detailed control over live audio. It supports up to 48 mono or stereo Flexi input channels and 16 configurable mono or stereo auxiliary and subgroup buses, alongside a stereo master bus and a fully processed 10-input by 8-output matrix.

This flexible architecture makes the console suitable for mixing vocals, instruments, playback sources, microphones and other audio signals in a variety of live environments. Engineers can organise channels and buses according to the requirements of each event, making complex productions easier to manage.

Dual Multitouch Screens and Motorised Faders

The DiGiCo S21 features two 10-inch multitouch screens that provide access to channel parameters, routing, processing and console settings. Its touch-sensitive controls allow engineers to adjust important parameters directly from the mixing surface.

The console has 21 motorised faders, including a dedicated master fader. Multiple configurable fader layers help operators access different channels without needing a much larger console. This compact arrangement is useful for venues and production teams that need extensive digital control while managing limited working space.

Advanced Audio Processing

The DiGiCo S21 operates at sample rates of 48 kHz and 96 kHz. Its digital processing tools include channel equalisation, dynamics, gates, compressors, dynamic EQ, multiband compression and DiGiTuBe processing.

The console also provides built-in effects processing and assignable graphic EQs. These tools help engineers control tonal balance, manage dynamic range, improve vocal clarity and create suitable mixes for different performance spaces.

Processing can be configured for individual channels and buses, helping sound engineers adapt the console to changing input sources and production requirements.

Inputs, Outputs and System Expansion

The DiGiCo S21 includes 24 local mic/line inputs and 12 analogue line outputs, together with AES/EBU digital audio connections, word-clock connectivity and networking ports. Its two DMI expansion slots allow compatible interface cards to extend connectivity for supported digital audio formats.

Depending on the installed cards and system configuration, the console can be integrated into larger audio setups using compatible interfaces and stage-rack systems. This flexibility makes it useful for productions that require additional stage inputs, digital transport or integration with other professional audio equipment.

Check the exact installed DMI cards and included accessories before purchasing, as connectivity depends on the configuration supplied.

Recording and Live Production Workflow

The DiGiCo S21 includes integrated USB audio I/O for multichannel recording and playback. This can support rehearsal recordings, performance capture, playback workflows and audio production tasks, subject to compatible computer software and system setup.

Snapshot functionality helps engineers recall saved console settings and make controlled changes during performances. This can be particularly valuable for theatre productions, corporate events, concerts and services where audio requirements change throughout a programme.

Applications for the DiGiCo S21

The DiGiCo S21 digital mixing console can be used in a wide range of professional environments, including:

• Live concerts and touring productions
• Churches and houses of worship
• Theatres and performing arts venues
• Corporate presentations and conferences
• Event production and audio rental companies
• Rehearsal rooms and professional recording applications

Its compact footprint and configurable workflow make it a practical option for engineers who need professional mixing features in a manageable console.

Buy the DiGiCo S21 from Sound Pro Tech

Sound Pro Tech supplies professional audio equipment for sound engineers, venues, event organisers and production companies. The DiGiCo S21 is worth considering if you need a digital mixing console with flexible routing, built-in processing and expandable connectivity.

Contact Sound Pro Tech to confirm current availability, price, physical condition and included accessories. If purchasing a used console, ask about its operating condition, touchscreen response, fader operation, connectors, installed expansion cards and service history.

Choose a console configuration that matches your stage setup, input requirements and production workflow. The DiGiCo S21 offers a flexible foundation for professional live sound when correctly configured for your application.

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